LensBeginner

LensBeginner

Lives in Italy Italy
Joined on Jan 23, 2012

Comments

Total: 851, showing: 41 – 60
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In reply to:

snapa: Interesting pictures, although, not sure I would go through the time and expence to photograph a cube of ice being dropped in a class of water :/

This could be said for, I don't know? maybe a good 75% of the jobs out there.
Some of them could even be taken up by machines, go figure! :-|

Link | Posted on Sep 4, 2017 at 06:56 UTC
In reply to:

snapa: Interesting pictures, although, not sure I would go through the time and expence to photograph a cube of ice being dropped in a class of water :/

Good luck filling a whole class(room) with water...

Link | Posted on Sep 3, 2017 at 20:02 UTC
In reply to:

mpgxsvcd: Something the article doesn’t mention is that if the scene you are taking a picture of doesn’t have 12 stops of dynamic range in it then it really doesn’t matter at all if your bit depth is 12 or 14 bits.

I see a lot of people take a simple landscape picture and say it has lots of dynamic range. However, when you look at the histogram of it neither side is anywhere near the edges of the histogram.

It happens so frequently that it matters most of the time.
I've taken pictures a whole day some months ago with all histograms being like this:
|'''\..._.._/'|
The way I dealt with it - because I also had little time on location - was to take advantage of my camera's ISO invariance, shoot at base ISO and open the shadows in the RAW in PP.

Working this way I would get a nice advantage in having 14bits instead of 12, or at least more than other people shooting in a different way.

Link | Posted on Sep 1, 2017 at 17:59 UTC

Can't an automated system be devised, that will save 14bit RAWs at or near base ISO, and discard the two least significant bits at every other ISO?

You can take the idea for free if you'd like to use it...

Link | Posted on Sep 1, 2017 at 13:24 UTC as 103rd comment
In reply to:

Frank RR: The End of September is NOT a Summer Release Just Saying a Man's Word is important Summer is June July And August To Me

Fall equinox 2017 is on the 22th in my country.
A 21th of September release would still technically qualify as summer ;-)

Link | Posted on Aug 30, 2017 at 17:05 UTC
In reply to:

bwana4swahili: I looked at the full specs on this "adapter" and can't see why one would need it!? So many existing ways to accomplish this already...

I meant to connect a smartphone/tablet... it's quite cumbersome to haul your TV around...

Not interested in proprietary Wi-Fi technology, just would like hdmi out on USB (even if bandwidth is restricted)

Also, the point is not only to save the video stream, but to have a bigger image, evaluate focus better, be able to move it, tilt it, shade it etc. OFC not the full shebang a pro monitor recorder would offer, like spectral frequency analysis, RAW capture, zebras etc. but still...

Link | Posted on Aug 28, 2017 at 12:46 UTC
On article Should you upgrade to a Nikon D850? (663 comments in total)
In reply to:

radissimo: and article number 10 about D850. wow

Just counted them because I was about to make the very same remark... then I read yours (and upvoted)...

Link | Posted on Aug 27, 2017 at 14:37 UTC
In reply to:

bwana4swahili: I looked at the full specs on this "adapter" and can't see why one would need it!? So many existing ways to accomplish this already...

Such as?
Genuinely curious.

Link | Posted on Aug 27, 2017 at 12:58 UTC
In reply to:

ovlov: Artists are lazy.

Trite Statement of the month.

Link | Posted on Aug 11, 2017 at 06:37 UTC

Pentax's marketing department /is/ my friend.
Without a botched attempt at a "designer's item" I would never have bought the camera I presently own - which I will probably use until it dies - at a rock-bottom price, lens included.

OTOH someone trying to convince me that I /need/ x, y features will have a hard time with me...

Link | Posted on Aug 6, 2017 at 14:00 UTC as 130th comment
On article Five USB-C memory card readers compared (14 comments in total)

Which one is the kind that doesn't break after a year? -_-

Link | Posted on Jul 30, 2017 at 11:06 UTC as 1st comment

Paranoia, making your life harder for no tangible benefit since ancient Greece...

Link | Posted on Jul 28, 2017 at 19:33 UTC as 12th comment
In reply to:

Rensol: Stopped reading his article after this:
////
No, this effect would only be possible if light wasn’t the fastest object in the universe — if there was something faster that raced ahead of the light, then rebounded on the glass to block part of the incoming light. And that something is the ether.
////
ETHER! Really?
Article should sound like -" Do you believe Ether helps lenses to catch 3D pop?"

If not then you did not smoke enough of this amazing ether like substance auto smoked.

Oh rly?
goodness gracious...

Link | Posted on Jul 27, 2017 at 20:24 UTC
In reply to:

dutch3dmaster: Very interesting article. Fortunately my stereoscopic imagery still has "3D pop", hahaha...

But seriously, I believe there has been made point. When I received my Panasonic 7-14mm lens last week I was truly puzzled reading that there are 16 lens elements in 12 groups. Now, a group must be 2+ so the whole description in itself is already quite a mess. It is a nice lens though :-)

The article might also explain why so many old lenses (like the "Emil Busch’s 1910 Glaukar portrait lens") return through kickstarter projects. I did not understand before, but maybe now I know.

I do still own some old lenses. Have to experiment a little. Maybe mounted on a stereoscopic camera it might deliver a "4D pop" (...).

@BadScience
I know that...

Banderras wrote that "a lens element can be part of more than one group", and I've never seen that happening.

He probably meant that one group can be composed of more than one lens (which is a platitude by the way)

Link | Posted on Jul 27, 2017 at 18:21 UTC
In reply to:

dutch3dmaster: Very interesting article. Fortunately my stereoscopic imagery still has "3D pop", hahaha...

But seriously, I believe there has been made point. When I received my Panasonic 7-14mm lens last week I was truly puzzled reading that there are 16 lens elements in 12 groups. Now, a group must be 2+ so the whole description in itself is already quite a mess. It is a nice lens though :-)

The article might also explain why so many old lenses (like the "Emil Busch’s 1910 Glaukar portrait lens") return through kickstarter projects. I did not understand before, but maybe now I know.

I do still own some old lenses. Have to experiment a little. Maybe mounted on a stereoscopic camera it might deliver a "4D pop" (...).

@Banderras
?

Link | Posted on Jul 26, 2017 at 15:15 UTC
In reply to:

Rensol: Stopped reading his article after this:
////
No, this effect would only be possible if light wasn’t the fastest object in the universe — if there was something faster that raced ahead of the light, then rebounded on the glass to block part of the incoming light. And that something is the ether.
////
ETHER! Really?
Article should sound like -" Do you believe Ether helps lenses to catch 3D pop?"

If not then you did not smoke enough of this amazing ether like substance auto smoked.

That was a goofy attempt at being humorous.
It's the point where the whole thing jumped the shark IMHO.

Link | Posted on Jul 26, 2017 at 15:13 UTC

I still think that some optical defects can lead to better subject isolation.

For instance, some old lenses I own tend to produce a subtle cyan fringing on high-contrast borders, and that - while imperceptible when looking at the whole picture - certainly helps with isolation.

Other factors, like composition, naturally play their part, e.g. if the cat and the porch wood in the first picture were angled the opposite way, then you'd have the most in-focus part of the cat standing out over the most out-of-focus part of the porch (just like the fence in the second picture). That should be obvious.

Link | Posted on Jul 26, 2017 at 12:23 UTC as 17th comment
In reply to:

Eric Calabros: I understand tendency towards perfection. But shooting in a way that eventually abandons %99 of audience from enjoying that perfectionism​ should no longer be acceptable. Don't like to sound leftist, but this intentional practice divides people into elite art consumers and .. the rest.

Yeah, let's make the Capital decide for the artists.

Link | Posted on Jul 22, 2017 at 11:38 UTC
In reply to:

(unknown member): This is just a reproduciton. Just imagine how was the original. 77 years ago.

But there were no IMAX camera back then!

Link | Posted on Jul 22, 2017 at 08:23 UTC
In reply to:

AstroStan: Fantastic! (want one)

Side note: it is not fully "distortion free" because that is strictly not geometrically possible for a planar sensor/screen/print (ask any cartographer). The correct term is "rectilinear". But I'm sure that few really care and those who do already know.

They /don't/ want to be too explicit, I believe, hoping that potential buyer will confuse one thing with the other and buy this one hoping that it has no "distortion" of any kind, even distance-induced XD

Link | Posted on Jul 8, 2017 at 20:57 UTC
Total: 851, showing: 41 – 60
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